Here is the full list of all 47 Persona 5 Strikers achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
Earned all Achievements.
Completed the Inmate Registry.
Started a New Game+ on Merciless Difficulty.
Maxed out all BOND skill levels.
Defeated all Dire Shadows.
Defeated the Reaper.
Defeated 10 Treasure Demons.
Trained all Phantom Thieves to level 70.
Completed the Tree of Knowledge.
Completed the Jail of the Abyss.
Sophia found strength of heart.
Completed 50 requests.
Opened 50 treasure chests.
Completed the Osaka Jail.
Cleared all special requests from the Phantom Thieves.
Cooked 12 types of food.
Completed the Kyoto Jail.
Obtained a total 200 items from the Jails.
Obtained all Master Arts for all characters.
Obtained all Master Arts for Wolf.
Spent Persona Points to strengthen a Persona's stats.
Wolf awakened his Persona.
Used Incense.
Completed the Okinawa Jail.
Obtained a souvenir for the camper.
Completed the Sapporo Jail.
Obtained all Master Arts for Mona.
Obtained all Master Arts for Skull.
Obtained all Master Arts for Fox.
Obtained all Master Arts for Noir.
Performed 50 ambushes.
Maxed out a BOND skill level.
Completed the Sendai Jail.
Completed a request.
Obtained all Master Arts for Queen.
Obtained all Master Arts for Sophie.
Obtained all Master Arts for Panther.
Performed an All-Out Attack 150 times.
Defeated 200 enemies with a phantom dash.
Defeated a Dire Shadow.
Hit the enemy's weakness 300 times.
Bought something during a limited time sale.
Cooked food for the first time.
Completed the Shibuya Jail.
Obtained all Master Arts for Joker.
Witnessed the Phantom Thieves' reunion.
Activated Showtime.